Photo taken on July 11 shows the Luang Prabang railway bridge under construction by the Chinese engineering company China Railway No.8 Engineering Group (CREC-8) on the Mekong River in Luang Prabang, Laos. The concrete casting for the last pier understructure of Luang Prabang railway bridge has been successfully completed, laying down all the foundation construction work of the two cross-Mekong River super major bridges along the China-Laos railway. (Xinhua/Liu Ailun)